RELAY (Yale YT220078399)

A failing relay can interrupt electrical current flow, causing intermittent or complete loss of function in the connected circuit. This aftermarket replacement part references the Yale catalog number YT220078399. The relay acts as an electrically operated switch, opening or closing contacts to control a higher-power circuit. Over time, relay contacts may wear or weld shut, leading to a stuck-on condition that drains power or damages components. In a typical usage context, a relay may fail silently, with no visible signs until the controlled device stops responding. The item ships at approximately 0.079 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: YT220078399, yt220078399